improve readme

Author: Apostolos Chalkis

README.md

@@ -2,7 +2,7 @@ This is an R package based on [volesti](https://github.com/GeomScale/volume_appr
 
 ###  Dependencies
 
-To run the code you need `R 3.6.3` and you have to install the following `R` packages:  
+To run the code you need `R >= 3.6.3` and you have to install the following `R` packages:  
 
 1. `volesti` dependencies (see the DESCRIPTION file in folder `root/R-proj`)  
 2. `Rmosek` first complete the (a) [mosek installation guide](https://docs.mosek.com/9.2/install/installation.html) and then proceed to (b) [Rmosek installation guide](https://docs.mosek.com/9.2/rmosek/install-interface.html)